Παραπομπή σε μορφή APA (7η εκδ.)

Willging, E. P. (1949). The Index to Catholic pamphlets in the English language. Catholic University of America Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Willging, Eugene P. The Index to Catholic Pamphlets in the English Language. Washington, D.C.: Catholic University of America Press, 1949.

Παραπομπή σε μορφή MLA (8th εκδ.)

Willging, Eugene P. The Index to Catholic Pamphlets in the English Language. Catholic University of America Press, 1949.